Esteban Siller Garza (Monterrey, Nuevo Leon, Mexico, April 17, 1931 - Mexico City, Mexico, October 23, 2013) was a Mexican voice actor, theater and radio with more than 57 years of experience. He was the voice of Gargamel and Homnibus voice in the spanish version of the Smurfs cartoon show. He died on October 23, 2013 at age 82 because of a cardiac arrest.